• Managed a Cisco network infrastructure of 600 devices, supporting 7,500 endpoints and 1,450 users with Cisco Wireless infrastructure.• Implemented and enforced security policies and procedures to protect sensitive information.• Troubleshooted network issues and implemented solutions to restore network functionality.• Implemented link redundancy techniques, such as spanning tree protocol and load balancing, to improve network reliability and fault tolerance.• Network security - Authorized network devices in NAC solutions (Forescout, Cisco ISE). • Ensured secure disposal of EOL devices through sorting, documenting and coordinating with other sectors of the company.• Created and utilized Ansible scripts to change configuration settings of existing network infrastructure for new device implementation. • Resolved trouble tickets in support of customer connectivity requirements/network outages as well as documented changes in Microsoft Access database.

• Participated in cybersecurity exercises and training to stay current with emerging threats.• Improved system security by executing DISA STIGs with the NIST SCAP tool, enhancing endpoint device protection.• Conducted manual reviews of Microsoft Windows settings on end user devices to include software, firewall, group policy, registry, and Windows PowerShell to assess system security.• Successfully identified 100 threat vectors, contributing significantly to securing a $2M enclave with AirCrack-NG Vulnerability Scanner.• Maintained an accurate asset inventory Microsoft Excel sheet for network devices to ensure compliance with headquarters compliance requirement program.

• Provided technical support to 500+ end-users and IT personnel, specializing in over-the-phone, in person and remote troubleshooting. • Handled 50 inbound calls daily, including technical support and customer escalations• Authorized new computers on the network, ensuring high-security standards with a network access control solution, Cisco ISE.• Drafted 25+ standard operating procedures making new hires effective on day one of employment